Harman US

Descanso, CA Weather & Growing Conditions

Today
92°F
Sunny
Sunny, with a high near 92. West wind 0 to 15 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 92°F Sunny 0 to 15 mph W 3%
Tonight 64°F Mostly Clear 0 to 10 mph N 3%
Wednesday 91°F Sunny 0 to 10 mph S 6%
Wednesday Night 65°F Mostly Clear 0 to 5 mph NW 3%
Thursday 91°F Sunny 0 to 10 mph SW 8%
Thursday Night 65°F Mostly Clear 0 to 5 mph W 4%
Friday 90°F Sunny 0 to 10 mph W 5%
Friday Night 66°F Mostly Clear 5 to 10 mph W 0%
Saturday 93°F Sunny 5 to 10 mph W 3%
Saturday Night 67°F Mostly Clear 0 to 10 mph SW 1%
Sunday 92°F Sunny 0 to 10 mph SW 9%
Sunday Night 65°F Mostly Clear 0 to 10 mph S 6%
Monday 88°F Sunny 0 to 10 mph SW 11%
Monday Night 62°F Mostly Clear 0 to 10 mph W 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Descanso, CA

Last spring frost
Apr 22
First fall frost
Nov 8
Growing season
197 days
Hardiness zone
8b

Explore more for Descanso, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Mt Laguna #3, Ca (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.